Mehrdad Majzoobi Farinaz Koushanfar Miodrag Potkonjak Techniques for Design and Implementation of Secure Reconfigurable PUFs. 2009 2 TRETS 1 http://doi.acm.org/10.1145/1502781.1502786 db/journals/trets/trets2.html#MajzoobiKP09