\documentclass{article} 
\usepackage{filecontents} 

\begin{filecontents}{document.bib} 
@article{paper,
 author = {John Doe},
 title = {On a Theorem of Bernoulli},
 year = {1999},
}
\end{filecontents}

\usepackage{biblatex} 
\bibliography{document.bib} 

\begin{document} 

See \cite{paper}.

\printbibliography

\end{document}