Cryptology ePrint Archive: BibTeX Citation of Report 2008/453

@misc{cryptoeprint:2008:453,
    author = {Ahmad-Reza Sadeghi and Thomas Schneider},
    title = {Generalized Universal Circuits for Secure Evaluation of Private Functions with Application to Data Classification},
    howpublished = {Cryptology ePrint Archive, Report 2008/453},
    year = {2008},
    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.