@misc{cryptoeprint:2015:566,
    author = {Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada},
    title = {A Framework for Identity-Based Encryption with  Almost Tight Security},
    howpublished = {Cryptology ePrint Archive, Report 2015/566},
    year = {2015},
    url = {https://eprint.iacr.org/2015/566},
}