\documentclass{article}

\usepackage{amsmath}
\usepackage{amssymb}

%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Please, do not use exceed one page.                    
% Thank you                                                              
%%%%%%%%%%%%%%%%%%%%%%%%%%%


\begin{document}

\title{Title of the poster}

\author{%
    {\bf Name and surname of the presenter}\\
    {\em Faculty, University, City, Country}\\
    {\tt something@someserver.com}
} \date{}
 \maketitle

Here goes your abstract\ldots

\begin{thebibliography}{99}
    \bibitem{B} Bibliographical information\ldots
\end{thebibliography}

\end{document}
