Cryptology ePrint Archive: BibTeX Citation of Report 2005/111

@misc{cryptoeprint:2005:111,
    author = {Kooshiar Azimian, Javad Mohajeri and Mahmoud Salmasizadeh},
    title = {Weak Composite Diffie-Hellman is not Weaker than Factoring},
    howpublished = {Cryptology ePrint Archive, Report 2005/111},
    year = {2005},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.