On the Cryptographic Value of The q<sup>th</sup> Root Problem.

Cheryl L. Beaver Peter Gemmell Anna M. Johnston William D. Neumann On the Cryptographic Value of The q<sup>th</sup> Root Problem. 135-142 1999 conf/icics/1999 ICICS db/conf/icics/icics1999.html#BeaverGJN99