Cryptology ePrint Archive: BibTeX Citation of Report 2013/229

@misc{cryptoeprint:2013:229,
    author = {Shafi Goldwasser and Yael Kalai and Raluca Ada Popa and Vinod Vaikuntanathan and and Nickolai Zeldovich},
    title = {How to Run Turing Machines on Encrypted Data},
    howpublished = {Cryptology ePrint Archive, Report 2013/229},
    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.