Musannaf Ibn Abi Shaybah 31891 — What a man says in supplication

A student of Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) says that he said: "When you enter the lavatory and intend to remove your clothes, say: 'O Allah, I seek refuge in You from filth and impurity, from the evil jinn, whether male or female, and from Satan the accursed.'"