Cryptology ePrint Archive: BibTeX Citation of Report 2006/362

@misc{cryptoeprint:2006:362,
    author = {Palash Sarkar and Sanjit Chatterjee},
    title = {Construction of a Hybrid (Hierarchical) Identity-Based Encryption Protocol Secure Against Adaptive Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2006/362},
    year = {2006},
    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.