Add 1 Nether Wart to a Brewing Stand with Blaze Powder as fuel
Add 1 Golden Carrot to make a Potion of Night Vision
Add 1 Fermented Spider Eye to turn it into a Potion of Invisibility
Add Redstone Dust to extend the duration if desired
Use Glowstone Dust only if you want to modify the potion before turning it invisible, not after
Drink the finished Potion of Invisibility to become invisible temporarily