Cryptology ePrint Archive: BibTeX Citation of Report 2014/181

@misc{cryptoeprint:2014:181,
    author = {Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, and Noboru Kunihiro},
    title = {A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2014/181},
    year = {2014},
    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.