Cryptology ePrint Archive: BibTeX Citation of Report 2014/556

@misc{cryptoeprint:2014:556,
    author = {Ghassan O. Karame, Claudio Soriente, Krzysztof Lichota, Srdjan Capkun},
    title = {Securing Cloud Data in the New Attacker Model},
    howpublished = {Cryptology ePrint Archive, Report 2014/556},
    year = {2014},
    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.