Cryptology ePrint Archive: BibTeX Citation of Report 2013/247

@misc{cryptoeprint:2013:247,
    author = {Mingwu Zhang and Wei Shi and Chunzhi Wang and Zhenhua Chen and Yi Mu},
    title = {Leakage-resilient Attribute-based Encryptions with Fast Decryption: Model, Analysis and Construction},
    howpublished = {Cryptology ePrint Archive, Report 2013/247},
    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.