Cryptology ePrint Archive: BibTeX Citation of Report 2013/283

@misc{cryptoeprint:2013:283,
    author = {Dan Boneh and Ananth Raghunathan and Gil Segev},
    title = {Function-Private Identity-Based Encryption: Hiding the Function in Functional Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2013/283},
    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.