Cryptology ePrint Archive: BibTeX Citation of Report 2013/172

@misc{cryptoeprint:2013:172,
    author = {Raphael Spreitzer and Thomas Plos},
    title = {On the Applicability of Time-Driven Cache Attacks on Mobile Devices (Extended Version)},
    howpublished = {Cryptology ePrint Archive, Report 2013/172},
    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.