Thereafter, a horse named Uccaiḥśravā, which was as white as the moon, was generated. Bali Mahārāja desired to possess this horse, and Indra, the King of heaven, did not protest, for he had previously been so advised by the Supreme Personality of Godhead.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तत उच्चैःश्रवा नाम हयोऽभूच्चन्द्रपाण्डुरः । तस्मिन् बलिः स्पृहां चक्रे नेन्द्र ईश्वरशिक्षया
tata uccaiḥśravā nāma hayo'bhūccandrapāṇḍuraḥ | tasmin baliḥ spṛhāṃ cakre nendra īśvaraśikṣayā
SB 8.8.3