Cryptology ePrint Archive: BibTeX Citation of Report 2010/110

@misc{cryptoeprint:2010:110,
    author = {Allison Lewko and Tatsuaki Okamoto and Amit Sahai and Katsuyuki Takashima and Brent Waters},
    title = {Fully Secure Functional Encryption: Attribute-Based Encryption and (Hierarchical) Inner Product Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2010/110},
    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.