To take up an online Nursing degree, you need to look for an accredited online institute offering the degree program you want to apply for. Upon deciding the institute, you need to choose the specific degree program such as the certificate, associate, bachelor or master level degree in nursing. The admission requisites for all programs vary. For certificate, associate and bachelor level online nursing degrees, you need a GED or high school diploma. For the Online Masters in Nursing, you require a bachelor level degree in a healthcare related field.