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Idriss, H., Idriss, T., Bayoumi, M..  2017.  A highly reliable dual-arbiter PUF for lightweight authentication protocols. 2017 IEEE International Conference on RFID Technology Application (RFID-TA). :248–253.

PUFs are an emerging security primitive that offers a lightweight security alternative to highly constrained devices like RFIDs. PUFs used in authentication protocols however suffer from unreliable outputs. This hinders their scaling, which is necessary for increased security, and makes them also problematic to use with cryptographic functions. We introduce a new Dual Arbiter PUF design that reveals additional information concerning the stability of the outputs. We then employ a novel filtering scheme that discards unreliable outputs with a minimum number of evaluations, greatly reducing the BER of the PUF.