Sayyiduna Sa'd bin Abi Waqqas (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) said: "Every prophet described the Dajjal's appearance to his nation, and I will describe his appearance in a way that no (prophet) before me has described it: he (i.e. the Dajjal) will be one-eyed, and Allah Almighty is not one-eyed."
Ahmad, Abu Ya'la and al-Bazzar recorded it. Its chain contains Ibn Ishaq, who is a mudallis.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الفتن - أعاذنا الله منها / 12506