@misc{cryptoeprint:2017:779,
    author = {Bibhas Chandra Das and Md Kutubuddin Sardar and Avishek Adhikari},
    title = {Efficient Constructions for $t$-$ (k,n)^{*}$-Random Grid Visual Cryptographic Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2017/779},
    year = {2017},
    url = {https://eprint.iacr.org/2017/779},
}