@misc{cryptoeprint:2019:128,
    author = {Junichi Tomida},
    title = {Tightly Secure Inner Product Functional Encryption: Multi-Input and Function-Hiding Constructions},
    howpublished = {Cryptology ePrint Archive, Report 2019/128},
    year = {2019},
    url = {https://eprint.iacr.org/2019/128},
}