@misc{cryptoeprint:2012:057,
    author = {Somindu C. Ramanna and Palash Sarkar},
    title = {Constant-Size Ciphertext HIBE From Asymmetric Pairings Using the Dual-System Technique},
    howpublished = {Cryptology ePrint Archive, Report 2012/057},
    year = {2012},
    url = {http://eprint.iacr.org/2012/057},
}