Musannaf Ibn Abi Shayba 37:373

Yazid ibn Harun narrated to us, from Hammad ibn Salamah, from Ali ibn Zayd, from Abd al-Rahman ibn Abi Bakrah, from his father, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The parents of the Dajjal will remain for thirty years without a child being born to them. Then a one-eyed boy will be born to them, who is the most harmful of things and the least beneficial. His eyes will sleep, but his heart will not sleep." Then he described his parents, saying: "His father is a tall man, with lean flesh and a long nose, as if his nose were a beak. And his mother is a Farghani woman with large breasts."