Cryptology ePrint Archive: BibTeX Citation of Report 2013/205

@misc{cryptoeprint:2013:205,
    author = {Jan Camenisch and Robert R. Enderlein and Victor Shoup},
    title = {Practical and Employable Protocols for UC-Secure Circuit Evaluation over $Z_n$},
    howpublished = {Cryptology ePrint Archive, Report 2013/205},
    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.