Breaking the clock face HIP. - ZhenQiu Zhang; Yong Rui; Thomas S. Huang; Cem Paya (ICME, 2004)

Characters or Faces: A User Study on Ease of Use for HIPs. - Yong Rui; Zicheng Liu 001; Shannon Kallin; Gavin Janke; Cem Paya (HIP, 2005)

Contextual OTP: Mitigating Emerging Man-in-the-Middle Attacks with Wireless Hardware Tokens. - Assaf Ben-David; Omer Berkman; Yossi Matias; Sarvar Patel; Cem Paya; Moti Yung (ACNS, 2012)

Zero-Knowledge to the Rescue: Consistent Redundant Backup of Keys Generated for Critical Financial Services. - Moti Yung; Cem Paya; Daniel James (CSCML, 2020)