In one narration the words are: "Listen! Whoever guards his private parts will enter Paradise."
Imam al-Bazzar, and Imam al-Tabarani in al-Mu'jam al-Kabir and al-Mu'jam al-Awsat, recorded this narration, and its narrators are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب النكاح / 7313