Patrick Gage Kelley, Saranga Komanduri, Michelle L. Mazurek, Richard Shay, Timothy Vidas, Lujo Bauer, Nicolas Christin, Lorrie Faith Cranor. The Impact of Length and Mathematical Operators on the Usability and Security of System-Assigned One-Time PINs. In Andrew A. Adams, Michael Brenner, Matthew Smith, editors, Financial Cryptography and Data Security - FC 2013 Workshops, USEC and WAHC 2013, Okinawa, Japan, April 1, 2013, Revised Selected Papers. Volume 7862 of Lecture Notes in Computer Science, pages 34-51, Springer, 2013. [doi]
Abstract is missing.