Sahih Bukhari Volume 009, Book 088, Hadith Number 245.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 88. Afflictions and the End of the War
Narrated By Anas : The Prophet said, "No prophet was sent but that he warned his followers against the one-eyed liar (Ad-Dajjal). Beware! He is blind in one eye, and your Lord is not so, and there will be written between his (Ad-Dajjal's) eyes (the word) Kafir (i.e., disbeliever)." (This Hadith is also quoted by Abu Huraira and Ibn 'Abbas).