Cryptology ePrint Archive: BibTeX Citation of Report 2013/253

@misc{cryptoeprint:2013:253,
    author = {Goran Doychev and Dominik Feld and Boris Köpf and Laurent Mauborgne and Jan Reineke},
    title = {CacheAudit: A Tool for the Static Analysis of   Cache Side Channels},
    howpublished = {Cryptology ePrint Archive, Report 2013/253},
    year = {2013},
    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.