\begin{thebibliography}{Coh93}

\bibitem[Bre89]{Bressoud89}
David~M. Bressoud.
\newblock {\em Factorization and Primality Testing}.
\newblock Springer-Verlag, 1989.

\bibitem[Bre96]{Brent96}
Richard~P. Brent.
\newblock {Factorization of the Tenth and Eleventh Fermat Numbers}, 1996.

\bibitem[Coh93]{Cohen93}
Henri Cohen.
\newblock {\em A Course in Computational Algebraic Number Theory}.
\newblock Springer-Verlag, 1993.

\end{thebibliography}
