@misc{cryptoeprint:2005:217,
    author = {M. Barbosa and P. Farshim},
    title = {Efficient Identity-Based Key Encapsulation to Multiple Parties},
    howpublished = {Cryptology ePrint Archive, Report 2005/217},
    year = {2005},
    url = {http://eprint.iacr.org/2005/217},
}