Cryptology ePrint Archive: BibTeX Citation of Report 2011/535

@misc{cryptoeprint:2011:535,
    author = {I. Damgard and  V. Pastro and N.P. Smart and S. Zakarias},
    title = {Multiparty Computation from Somewhat Homomorphic Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2011/535},
    year = {2011},
    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.