Musnad Ahmad 30:2727

Hajjaj narrated to us, he said: Shu'bah narrated to me, from Budayl, from 'Abdullah ibn Shaqiq, from Abu Hurairah, from the Prophet, peace and blessings of Allah be upon him: "That he used to seek refuge in Allah from the punishment of the grave, and from the punishment of Hell, and from the trial of the False Messiah (Al-Masih ad-Dajjal)."