%\title{Formal-&-long paper}
\documentclass[11pt, letterpaper, oneside]{report}
%---------------- Retriving all the packages-----------------%
\usepackage[spanish]{babel} %change language
\usepackage[T1]{fontenc}
\usepackage[utf8x]{inputenc}
\usepackage{datetime}
\usepackage{amsmath}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage[colorinlistoftodos]{todonotes}
\usepackage{tabularx}
\usepackage{url}
\usepackage{booktabs}
\usepackage{titlesec}
\usepackage{float}
\usepackage{hyperref}
\usepackage{hypcap}
\newcommand{\HRule}{\rule{\linewidth}{0.5mm}}
%---------------------- Hader -------------------------------%
\fancyhead[L]{Patrimonio Cultural}
\fancyhead[R]{El baile de la polilla}
\fancyfoot[C]{\thepage}
\pagestyle{fancy}
\setlength{\headheight}{26pt}
%------------------------ Document ------------------------------%
\begin{document}
%------------------------- Title --------------------------------%
\begin{titlepage}
\begin{center}
\usefont{OT1}{bch}{b}{n}
\Large \textsc{Universidad de Costa Rica}\\[0.4cm]
\normalsize \textsc{Seminario de Realidad Nacional II: patrimonio cultural}\\[2cm]
% Title
\HRule \\[0.2cm]
{ \Huge \bfseries El Baile de la polilla \\[0.2cm] }
\HRule \\[3.5cm]
% Author and supervisor
\begin{minipage}{0.5\textwidth}
\begin{flushleft} \large
\emph{Estudiantes:}\\ [0.2cm]
Arturo Apú Chinchilla \\
Luis Guillermo Cornejo Suárez \\
Erick Eduarte Rojas \\
Luis Felipe Rincón Riveros \\
Eliana Víquez Castro \\
\end{flushleft}
\end{minipage}
\begin{minipage}{0.4\textwidth}
\begin{flushright} \large
\emph{Profesora:} \\
Ligia Carvajal
\end{flushright}
\end{minipage}
\vfill
% Bottom of the page
\newdate{date}{12}{11}{2013}
{\large \displaydate{date}}
\end{center}
\end{titlepage}
\section{Introducción}
\end{document}