Cryptology ePrint Archive: BibTeX Citation of Report 2010/145

@misc{cryptoeprint:2010:145,
    author = {Craig Gentry and Shai Halevi and Vinod Vaikuntanathan},
    title = {i-Hop Homomorphic Encryption and Rerandomizable Yao Circuits},
    howpublished = {Cryptology ePrint Archive, Report 2010/145},
    year = {2010},
    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.