Cryptology ePrint Archive: BibTeX Citation of Report 2007/039

@misc{cryptoeprint:2007:039,
    author = {Onur Aciicmez and Shay Gueron and Jean-Pierre Seifert},
    title = {New Branch Prediction Vulnerabilities in OpenSSL and Necessary Software Countermeasures},
    howpublished = {Cryptology ePrint Archive, Report 2007/039},
    year = {2007},
    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.