Cryptology ePrint Archive: BibTeX Citation of Report 2015/016

@misc{cryptoeprint:2015:016,
    author = {Yannis Rouselakis and Brent Waters},
    title = {Efficient Statically-Secure Large-Universe Multi-Authority Attribute-Based Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2015/016},
    year = {2015},
    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.