Cryptology ePrint Archive: BibTeX Citation of Report 2010/438

@misc{cryptoeprint:2010:438,
    author = {Allison Lewko and Yannis Rouselakis and Brent Waters},
    title = {Achieving Leakage Resilience Through Dual System Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2010/438},
    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.