Cryptology ePrint Archive: BibTeX Citation of Report 2011/583

@misc{cryptoeprint:2011:583,
    author = {Jie Chen and Hoon Wei Lim and San Ling and Huaxiong Wang and Khoa Nguyen},
    title = {Revocable Identity-Based Encryption from Lattices},
    howpublished = {Cryptology ePrint Archive, Report 2011/583},
    year = {2011},
    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.