Cryptology ePrint Archive: BibTeX Citation of Report 2005/231

@misc{cryptoeprint:2005:231,
    author = {Boaz Tsaban},
    title = {Fast generators for the Diffie-Hellman key agreement protocol and malicious standards},
    howpublished = {Cryptology ePrint Archive, Report 2005/231},
    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.