Authentic Supplication Number 171.

Abu Sa`eed  said: "The Messenger of Allah used to solicit Allah's protection from Jinn, and the evil eye of people, until Mu`awwithatan [last two surahs of the Qur'an] came down, when they came down he took them and left all else.

Reporters.
At-Tirmithi said it was comely, and Al-Albani agreed. Al-Albani said An-Nisa'ee, and Ibn Majah also reported it with sound ascription, and he included it in The Authentic of Good Sayings as #189.