@misc{cryptoeprint:2020:1099,
    author = {Roman Langrehr and Jiaxin Pan},
    title = {Unbounded HIBE with Tight Security},
    howpublished = {Cryptology ePrint Archive, Report 2020/1099},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1099},
}