Cryptology ePrint Archive: BibTeX Citation of Report 2010/226

@misc{cryptoeprint:2010:226,
    author = {Zvika Brakerski and Shafi Goldwasser},
    title = {Circular and Leakage Resilient Public-Key Encryption Under Subgroup Indistinguishability (or: Quadratic Residuosity Strikes Back)},
    howpublished = {Cryptology ePrint Archive, Report 2010/226},
    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.