Analysis and Enhancement of Ring Oscillators Based Physical Unclonable Functions in FPGAs. - Crina Costea; Florent Bernard; Viktor Fischer; Robert Fouquet (ReConFig, 2010)

Implementation of Ring-Oscillators-Based Physical Unclonable Functions with Independent Bits in the Response. - Florent Bernard; Viktor Fischer; Crina Costea; Robert Fouquet (Int. J. Reconfigurable Comput., 2012)