Shiva Purana

siva.sh/siva-purana/uma-samhita/45/53

तदा द्वावसुरौ जातौ विष्णौ कर्णमलेन वै ।। मधुकैटभनामानौ विख्यातौ पृथिवीतले ।। ५३ ।।

sanskrit

Then two asuras, Lord Viṣṇu, were born by the stain of their ears. They were known on earth as Madhu and Kaitabha.

english translation

tadA dvAvasurau jAtau viSNau karNamalena vai || madhukaiTabhanAmAnau vikhyAtau pRthivItale || 53 ||

hk transliteration by Sanscript