Cryptology ePrint Archive: BibTeX Citation of Report 2009/425

@misc{cryptoeprint:2009:425,
    author = {Vahid Jahandideh, Amir S. Mortazavi, Yaser Baseri, Javad Mohajeri},
    title = {Cryptanalysis and Security Enhancement on the Generation of Mu-Varadharajan Electronic Voting Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2009/425},
    year = {2009},
    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.